/// <summary>
/// Saves all the embedded object from the RTF <paramref name="inputFile"/> to the
/// <see cref="outputFolder"/> and returns the files with full path as a list of strings
/// </summary>
/// <param name="inputFile">The RTF file</param>
/// <param name="outputFolder">The output folder</param>
/// <returns>List with files or en empty list when there are nog embedded files</returns>
internal static List <string> SaveToFolder(string inputFile, string outputFolder)
{
var result = new List <string>();
using (var streamReader = new StreamReader(inputFile))
{
var rtfReader = new RtfParser.Reader(streamReader);
var enumerator = rtfReader.Read().GetEnumerator();
while (enumerator.MoveNext())
{
if (enumerator.Current?.Text != "object")
{
continue;
}
if (!RtfParser.Reader.MoveToNextControlWord(enumerator, "objclass"))
{
continue;
}
var className = RtfParser.Reader.GetNextText(enumerator);
if (!RtfParser.Reader.MoveToNextControlWord(enumerator, "objdata"))
{
continue;
}
var data = RtfParser.Reader.GetNextTextAsByteArray(enumerator);
using (var stream = new MemoryStream(data))
{
switch (className)
{
case "Outlook.FileAttach":
case "MailMsgAtt":
result.Add(ExtractOutlookAttachmentObject(stream, outputFolder));
break;
default:
var fileName = ExtractOle10(stream, outputFolder);
if (!string.IsNullOrWhiteSpace(fileName))
{
result.Add(fileName);
}
break;
}
}
}
}
return(result);
}
/// <summary>
/// Saves all the embedded object from the RTF <paramref name="inputFile"/> to the
/// <see cref="outputFolder"/> and returns the files with full path as a list of strings
/// </summary>
/// <param name="inputFile">The RTF file</param>
/// <param name="outputFolder">The output folder</param>
/// <returns>List with files or en empty list when there are nog embedded files</returns>
internal static List<string> SaveToFolder(string inputFile, string outputFolder)
{
var result = new List<string>();
using (var streamReader = new StreamReader(inputFile))
{
var rtfReader = new RtfParser.Reader(streamReader);
var enumerator = rtfReader.Read().GetEnumerator();
while (enumerator.MoveNext())
{
if (enumerator.Current.Text == "object")
{
if (RtfParser.Reader.MoveToNextControlWord(enumerator, "objclass"))
{
var className = RtfParser.Reader.GetNextText(enumerator);
if (RtfParser.Reader.MoveToNextControlWord(enumerator, "objdata"))
{
var data = RtfParser.Reader.GetNextTextAsByteArray(enumerator);
using (var stream = new MemoryStream(data))
{
switch (className)
{
case "Outlook.FileAttach":
case "MailMsgAtt":
result.Add(ExtractOutlookAttachmentObject(stream, outputFolder));
break;
default:
var fileName = ExtractOle10(stream, outputFolder);
if (!string.IsNullOrWhiteSpace(fileName))
result.Add(fileName);
break;
}
}
}
}
}
}
}
return result;
}